NL179951C - MONITORING DEVICE FOR SIGNAL LAMPS. - Google Patents

MONITORING DEVICE FOR SIGNAL LAMPS.

Info

Publication number
NL179951C
NL179951C NLAANVRAGE7310584,A NL7310584A NL179951C NL 179951 C NL179951 C NL 179951C NL 7310584 A NL7310584 A NL 7310584A NL 179951 C NL179951 C NL 179951C
Authority
NL
Netherlands
Prior art keywords
monitoring device
signal lamps
lamps
signal
monitoring
Prior art date
Application number
NLAANVRAGE7310584,A
Other languages
Dutch (nl)
Other versions
NL7310584A (en
NL179951B (en
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19722238521 external-priority patent/DE2238521C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NL7310584A publication Critical patent/NL7310584A/xx
Publication of NL179951B publication Critical patent/NL179951B/en
Application granted granted Critical
Publication of NL179951C publication Critical patent/NL179951C/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
NLAANVRAGE7310584,A 1972-08-04 1973-07-31 MONITORING DEVICE FOR SIGNAL LAMPS. NL179951C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722238521 DE2238521C3 (en) 1972-08-04 Monitoring device for signal lamps, preferably in road traffic

Publications (3)

Publication Number Publication Date
NL7310584A NL7310584A (en) 1974-02-06
NL179951B NL179951B (en) 1986-07-01
NL179951C true NL179951C (en) 1986-12-01

Family

ID=5852712

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7310584,A NL179951C (en) 1972-08-04 1973-07-31 MONITORING DEVICE FOR SIGNAL LAMPS.

Country Status (8)

Country Link
US (1) US3962676A (en)
AR (1) AR198996A1 (en)
BE (1) BE803203A (en)
BR (1) BR7305957D0 (en)
CH (1) CH559948A5 (en)
IT (1) IT993652B (en)
NL (1) NL179951C (en)
SE (1) SE393476B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2116227B1 (en) * 1996-06-28 1999-04-01 Aleza Izquierdo Porfirio CONTROL AND ANALYSIS SYSTEM FOR TRAFFIC LIGHTS.
US9349288B2 (en) 2014-07-28 2016-05-24 Econolite Group, Inc. Self-configuring traffic signal controller

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2166721A (en) * 1937-07-01 1939-07-18 Crouse Hinds Co Traffic signal system
DE1186760B (en) * 1963-03-27 1965-02-04 Heinrich Hartkorn Jun Circuit arrangement for contactless monitoring of consumer circuits
GB1217758A (en) * 1967-12-12 1970-12-31 Omron Tateisi Electronics Co A traffic signal control system
US3596238A (en) * 1968-08-08 1971-07-27 Marbelite Co Fail-safe walk-don't walk signal

Also Published As

Publication number Publication date
AR198996A1 (en) 1974-07-31
IT993652B (en) 1975-09-30
CH559948A5 (en) 1975-03-14
NL7310584A (en) 1974-02-06
SE393476B (en) 1977-05-09
BE803203A (en) 1974-02-04
DE2238521B2 (en) 1976-11-18
NL179951B (en) 1986-07-01
US3962676A (en) 1976-06-08
BR7305957D0 (en) 1974-07-11
DE2238521A1 (en) 1974-02-14

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee